A new exposé in Wired Magazine reveals details about how the National Security Agency is quietly building the largest spy center in the country in Bluffdale, Utah, as part of a secret NSA surveillance program codenamed "Stellar Wind." We speak with investigative reporter James Bamford, who says the NSA has established listening posts throughout the nation to collect and sift through billions of email messages and phone calls, whether they originate within the country or overseas. The Utah spy center will contain near-bottomless databases to store all forms of communication collected by the agency. This includes the complete contents of private emails, cell phone calls and Google searches, as well as all sorts of personal data trails -- parking receipts, travel itineraries, bookstore purchases and other digital "pocket litter." "The NSA has constantly denied that they're doing things..."